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The PROSPECT physics program
DOI:10.1088/0954-3899/43/11/113001.png)
摘要
En 中文
The precision reactor oscillation and spectrum experiment, PROSPECT, is designed to make a precise measurement of the antineutrino spectrum from a highly-enriched uranium reactor and probe eV-scale sterile neutrinos by searching for neutrino oscillations over a distance of several meters. PROSPECT is conceived as a 2-phase experiment utilizing segmented Li-6-doped liquid scintillator detectors for both efficient detection of reactor antineutrinos through the inverse beta decay reaction and excellent background discrimination. PROSPECT Phase. I consists of a movable 3 ton antineutrino detector at distances of 7-12 m from the reactor core. It will probe the best-fit point of the v(e) disappearance experiments at 4 sigma in 1 year and the favored region of the sterile neutrino parameter space at >3 sigma in 3 years. With a second antineutrino detector at 15-19. m from the reactor, Phase II of PROSPECT can probe the entire allowed parameter space below 10 eV(2) at 5 sigma in 3 additional years. The measurement of the reactor antineutrino spectrum and the search for short-baseline oscillations with PROSPECT will test the origin of the spectral deviations observed in recent theta(13) experiments, search for sterile neutrinos, and conclusively address the hypothesis of sterile neutrinos as an explanation of the reactor anomaly.
Keyword:
reactor neutrino experiments
scintillator detectors
neutrino oscillation
research reactors
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